[s-cars] Ideas to Increase mpg?

Sun Jun 14 15:01:18 PDT 2009

excellent point...

More food for thought.

Thanks
Dave

-----Original Message-----
From: s-car-list-bounces at audifans.com on behalf of chris chambers
Sent: Sun 6/14/2009 4:40 PM
To: Jerry Scott; Robert Myers
Cc: s-car list
Subject: Re: [s-cars] Ideas to Increase mpg?

Why go back to a stock chip?
I have Pastore's "RS2" chipset and get 25-27 mpg on the highway.

I doubt there is a stock UrS4/S6 that gets any better MPG... ;-)

Sure switch to a different tuner's chip but why go stock...You did buy this car to enjoy right? ;-)

Chris

--- On Sun, 6/14/09, Robert Myers <bob at chips-ur-s.com> wrote:

> From: Robert Myers <bob at chips-ur-s.com>
> Subject: Re: [s-cars] Ideas to Increase mpg?
> To: "Jerry Scott" <jerryscott at wispertel.net>
> Cc: "s-car list" <s-car-list at audifans.com>
> Date: Sunday, June 14, 2009, 4:34 PM
> *This message was transferred with a
> trial version of CommuniGate(r) Pro*
> 
> Jerry,
> 
> As long as the pull-out OEM chip is not damaged and the
> pins are 
> pretty clean and more or less free of solder residue then
> putting it 
> back into a socketed ECU is no problem.  What may be a
> small problem 
> is that chip upgrades usually include a three bar pressure
> transducer 
> change from the OEM 2.5 bar PT.  That must also be
> reversed.  No big 
> deal if you have or can get one of the 2.5 bar PTs. 
> They are readily available
> 
> Bob
> 
> 
> At 03:57 PM 6/14/2009, Jerry Scott wrote:
> >*This message was transferred with a trial version of
> CommuniGate(r) Pro*
> >Dave
> >I'm not sure that you can put the original chip back,
> since the after market
> >chip was probably put into a socket that was soldered
> in.  The original chip
> >might fit the socket, but I'm almost sure that it was
> originally soldered
> >directly to the circuit board.
> >Jerry
> >----- Original Message -----
> >From: "David Kase" <dkase at dorma-usa.com>
> >To: "Tom Green" <trgreen at comcast.net>;
> <s-car-list at audifans.com>
> >Sent: Saturday, June 13, 2009 9:13 PM
> >Subject: Re: [s-cars] Ideas to Increase mpg?
> >
> >
> > > Hah!  Indeed "respectfully" is my slow
> transition back into the
> > > irresistible S-list...
> > >
> > > Indeed, keep your foot out of it.  That
> makes the biggest contribution I
> > > have seen in my B5.
> > >
> > > I will investigate the fuel mileage thieves you
> have mentioned.  O2
> > > sensors I am sure are gone, the ignition is fresh
> but I will check for
> > > leaks in the intake. This is a new path for me
> and I believe worthwhile.
> > > I don't think I will give up on the C4 just
> yet.  The kids and wife like
> > > it so I might as well embrace it.
> > >
> > > AFA the chips - I was just thinking of replacing
> the whole thing with a
> > > stock ECU.  Seems to messy and chancy to try
> an chip swap again.
> > >
> > > I appreciate your reply and candor.
> > >
> > > Dave
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: s-car-list-bounces at audifans.com
> on behalf of Tom Green
> > > Sent: Sat 6/13/2009 9:10 AM
> > > To: s-car-list at audifans.com
> > > Subject: Re: [s-cars] Ideas to Increase mpg?
> > >
> > > Ok, what did you do with the real Dave
> Kase?  He couldn't even spell
> > > Respectfully.  : )
> > >
> > > I don't think you see much here on mpg because
> it's difficult to
> > > compare, so usually meaningless.    You
> have this S6 with little
> > > invested in it, so I can see it is tempting to
> think you
> > > can essentially get a free vehicle by changing
> cars.  But, I think the
> > > reality is different if you move to an
> unknown.  The fuel savings is
> > > so dependent on the price.  If you are
> making
> > > a purely economic decision, just ride the bus.
> > >
> > > I think you can get to 25 mpg average for your
> commute since you can
> > > generally avoid stop and go driving.  I
> would start with the basic
> > > tune of the engine before I would spend
> > > money on the ECU.  You can probably find
> some stock chips for little
> > > dough, but are they socketed? Are the TAP chips
> socketed in the ECU?
> > > Who is going to do this swap?  How
> > > much?  It's going to take a lot of commute
> to pay for the swap so can
> > > you expect enough gain in mpg?
> > >
> > > I would look elsewhere for the culprit that is
> stealing my mileage.
> > > If it is your right foot, at least you are
> getting something for your
> > > money.  Faulty temperature sensors, O2
> sensors,
> > > dirty injectors, dirty MAF and intake, leaking
> vacuum hoses, etc. rob
> > > the mileage with nothing in return, and these are
> areas you can attend
> > > to without paying labor costs.  There is
> also the added benefit in
> > > performance and longevity for the well tuned
> engine.  I admit that
> > > payback for a few parts can be lengthy at 5 mpg,
> but you have
> > > immediate benefits in the performance too.
> > >
> > > Tom
> > >
> > >
> > >
> > >> -----Original Message-----
> > >> Date: Fri, 12 Jun 2009 21:32:23 -0400
> > >> From: "David Kase" <dkase at dorma-usa.com>
> > >> Subject: [s-cars] Ideas to Increase mpg?
> > >> To: <s-car-list at audifans.com>
> > >> Message-ID:
> > >> <058B1C4576896745AB96826AB59CFC380879A9 at rmdc2.usa.dgna.net>
> > >> Content-Type: text/plain;
> charset="iso-8859-1"
> > >>
> > >> I did a 7 month search in the archives and
> did not see a thread
> > >> related to fuel mileage.
> > >>
> > >> I am keeping my B5 S4 as a secondary car and
> am currently doing some
> > >> upgrades to it.  My recently purchased
> S6 is doing dd duty.  I have
> > >> a 60 mile round trip each day and at 20 mpg,
> I could stand better
> > >> fuel mileage.  I do 55 of the 60 miles
> on the open highway.
> > >>
> > >> I was thinking of selling the C4 and buying a
> TDI (saving ~$100/
> > >> month) but I just don't think I will enjoying
> driving it everyday
> > >> (Probably a 99-02 Jetta).  I also am
> considering a 1.8T A4.  But, I
> > >> figure if I can get the mileage better in the
> S6 then I will just
> > >> keep it.  I'd love to get over 25 mpg
> but I don't know if it is even
> > >> possible.
> > >>
> > >> Step 1 - go from CRAP (TAP) ECU to
> stock.  Then what?
> > >>
> > >> No matter what I do I know I will be rolling
> on the power from time
> > >> to time.  It seems like you can never
> get that mileage back over a
> > >> tankful.
> > >>
> > >> Respectfully,
> > >> Kase
> > >
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